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NYSE:TKO 13 November 2025

Polymarket’s U.S. Comeback: Shayne Coplan, UFC Deal and the New Arms Race in Blockchain Prediction Markets

Polymarket’s U.S. Comeback: Shayne Coplan, UFC Deal and the New Arms Race in Blockchain Prediction Markets

When Shayne Coplan started Polymarket in 2020, he didn’t have a team, a war chest of venture capital, or a Wall Street pedigree. What he did have was a laptop, conviction in blockchain technology, and an idea: let markets, not pundits, price the future.CoinDesk+1 Speaking this week at Cantor Fitzgerald’s crypto, AI and blockchain conference in Miami, Coplan described how open blockchain rails meant a solo founder could spin up a venue where anyone in the world could trade on real‑world events — elections, central‑bank moves, even celebrity gossip — using stablecoins.CoinDesk
13 November 2025
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Stock Market Today

  • Circle Drops 15% After Open USD Stablecoin Reveal, Revenue Model in Focus
    June 30, 2026, 1:44 PM EDT. Circle Internet Group (NYSE:CRCL) dropped 15% to $64.55 after news hit about Open USD, a stablecoin from a group including Visa, Mastercard and Coinbase. Open USD brings free minting and redemption, no caps on volume, and a plan to split reserve earnings with partners-unlike Circle's USDC. The change put pressure on Circle's valuation, at about 23 cents for every USDC issued, with investors eyeing how reserve income gets distributed. BNY Mellon (NYSE:BNY) added more USDC custody, showing steady institutional demand but also more rivals in the space. Stablecoin issuers slid while payment networks and ETFs traded up. Circle logged $694 million in revenue and reserve income for Q1, with high costs keeping investors alert to shifts in stablecoin economics.
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